*Yuna TAMAMURA¹, *Satoru MATSUMOTO², *Ryo OSHIBA³, *Eichi SHIBATA⁴, *Yuki TANABE⁵, *Yasuaki YONEYAMA⁶ (1. Tokyo University, 2. Hosei University, 3. Hiroshima City University Hiroshima Peace Institute, 4. Arukunakama, 5. Japan Center for a Sustainable Environment and Society, 6. The World Bank)